Encode array contents with base64 [duplicate]

Question

I want to encode my array contents with base64 if possible in javascript (and then decode later).

Example:

var array = ["stack", "overflow"] // base64.encode(array)

a simple google search would have yielded this exact page: developer.mozilla.org/en-US/docs/Glossary/Base64 — Zachucks
– Zachucks, Commented Aug 28, 2020 at 13:50

jjuniob · Accepted Answer · 2020-08-28 13:50:32Z

3

Code:

var array = ["stack", "overflow"] array.map(btoa);

answered Aug 28, 2020 at 13:50

jjuniob

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Comments

trincot · Accepted Answer · 2020-08-28 13:56:37Z

In order to use the well-known function btoa, you'll first have to convert your array to string, in such a way that you can reverse the operation. JSON would be the string format to go for.

So to encode do:

base64 = btoa(JSON.stringify(array))

To decode do:

JSON.parse(atob(base64))

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